Maven2:OutOfMemory when execute mvn command

Today,  The application run into java.lang.OutOfMemory when executing the "mvn site " to generate reports.

 

Solution:

 

 The maven has provided a machnism to upate the jvm option. It can be fixed by the following step(s):

 

 On Window,

  Set MAVEN_OPTS="-Xmx1024m -Xms512m"

 

  On Unix/Linux:

  export MAVEN_OPTS="-Xmx1024m -Xms512m"